Species Nesopuparia norfolkensis (Sykes, 1900)

Nesopuparia norfolkensis, apertural view. Height of shell: 3.6 mm

© Copyright Dr John Stanisic BAAM Pty Ltd Queensland

Museums

Regional Maps

• Vertigo norfolkensis Sykes, E.R. 1900. Non-marine Mollusca of Norfolk and Phillip Is. Proceedings of the Malacological Society of London 4: 139-147 [Oct. 1900] [145].

Generic Combinations

• Nesopuparia norfolkensis (Sykes, 1900). —
  Pilsbry, H.A. 1926. in Tryon, G.W. & Pilsbry, H.A. Manual of Conchology. Philadelphia : Conchological Department, Academy of Natural Sciences Ser. 2 Vol. 27 369 pp. [Mar. 1926] [227]

Introduction

Nesopuparia norfolkensis is the larger and more widespread of two species of pupillid found on Norfolk Island. The species is distinguished by having a broad, sinistrally coiled shell sculptured with numerous coarse axial ribs and having an aperture with several strongly developed barriers. The shell is usually encrusted with dirt.

Distribution

Extra Distribution Information

Australian Endemic.

Other Regions

Norfolk Island terrestrial & freshwater

Ecological Descriptors

Rainforest, tree trunks.

Extra Ecological Information

Broadleaf and palm rainforest

Diagnosis

Shell very small, golden brown, ovately conical, sinistral; sculpture of coarse, sinuous, rather irregular oblique axial ribs on a malleated surface; aperture subquadrate with eight barriers: a sinuous angular, lamellate parietal, small infraparietal, horizontal columellar, knob-like infracolumellar, large upper and lower palatals and a small suprapalatal; umbilicus tiny; height 3.6mm.

Diagnosis References

Stanisic, J., Shea, M., Potter, D. & Griffiths, O. 2010. Australian Land Snails. A field guide to eastern Australian species. Mauritius : Bioculture Press Vol. 1 595 pp. [108]

General References

Iredale, T. 1945. The land Mollusca of Norfolk Island. The Australian Zoologist 11: 46-71 [52]

Stanisic, J., Shea, M., Potter, D. & Griffiths, O. 2010. Australian Land Snails. A field guide to eastern Australian species. Mauritius : Bioculture Press Vol. 1 595 pp. [108]

Common Name References

Stanisic, J., Shea, M., Potter, D. & Griffiths, O. 2010. Australian Land Snails. A field guide to eastern Australian species. Mauritius : Bioculture Press Vol. 1 595 pp. [108] (Norfolk Island Pupasnail)

History of changes